<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:authorization:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['system:authorization:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['system:authorization:remove']"
        >删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['system:authorization:export']"
        >导出
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="authorizationList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="ID" align="center" prop="id"/>
      <el-table-column label="授权名" align="center" prop="name"/>
      <el-table-column label="单价" align="center" prop="price"/>
      <el-table-column label="描述" align="center" prop="description"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:authorization:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:authorization:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改授权信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="授权名" prop="name">
          <el-input v-model="form.name" placeholder="请输入授权名"/>
        </el-form-item>
        <el-form-item label="单价" prop="price">
          <el-input v-model="form.price" placeholder="请输入单价"/>
        </el-form-item>
        <el-form-item label="描述" prop="description">
          <el-input v-model="form.description" type="textarea" placeholder="请输入内容"/>
        </el-form-item>
        <el-form-item label="菜单权限">
          <el-checkbox v-model="menuExpand" @change="handleCheckedTreeExpand($event, 'menu')">展开/折叠</el-checkbox>
          <el-checkbox v-model="menuNodeAll" @change="handleCheckedTreeNodeAll($event, 'menu')">全选/全不选</el-checkbox>
          <el-checkbox v-model="form.menuCheckStrictly" @change="handleCheckedTreeConnect($event, 'menu')">父子联动</el-checkbox>
          <el-tree
            class="tree-border"
            :data="menuOptions"
            show-checkbox
            ref="menu"
            node-key="id"
            :check-strictly="!form.menuCheckStrictly"
            empty-text="加载中，请稍后"
            :props="defaultProps"
          ></el-tree>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>


<script>
  import {
    listAuthorization,
    getAuthorization,
    delAuthorization,
    addAuthorization,
    updateAuthorization,
    exportAuthorization
  } from '@/api/tenant/authorization';
  import { treeselect as menuTreeselect, authorizationMenuTreeselect } from "@/api/system/menu";

  export default {
    name: 'Authorization',
    components: {},
    data() {
      return {
        // 遮罩层
        loading: true,
        // 选中数组
        ids: [],
        // 非单个禁用
        single: true,
        // 非多个禁用
        multiple: true,
        // 显示搜索条件
        showSearch: true,
        // 总条数
        total: 0,
        // 授权信息表格数据
        authorizationList: [],
        // 弹出层标题
        title: '',
        // 是否显示弹出层
        open: false,
        // 菜单列表
        menuExpand: false,
        menuNodeAll: false,
        menuOptions: [],
        menuIds: [],
        // 查询参数
        queryParams: {
          pageNum: 1,
          pageSize: 10
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {}
      }
    },
    created() {
      this.getList()
    },
    methods: {
      /** 查询授权信息列表 */
      getList() {
        this.loading = true
        listAuthorization(this.queryParams).then(response => {
          this.authorizationList = response.rows
          this.total = response.total
          this.loading = false
        })
      },
      /** 查询菜单树结构 */
      getMenuTreeselect() {
        menuTreeselect().then(response => {
          this.menuOptions = response.data
        })
      },
      /** 根据授权ID查询菜单树结构 */
      getAuthorizationMenuTreeselect(id) {
        return authorizationMenuTreeselect(id).then(response => {
          this.menuOptions = response.menus
          return response
        })
      },
      // 取消按钮
      cancel() {
        this.open = false
        this.reset()
      },

      // 表单重置
      reset() {

        this.menuExpand = false,
          this.menuNodeAll = false,
          this.form = {
            id: null,
            name: null,
            price: null,
            description: null

          }
        this.resetForm('form')
      }
      ,
      /** 搜索按钮操作 */
      handleQuery() {
        this.queryParams.pageNum = 1
        this.getList()
      }
      ,
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm('queryForm')
        this.handleQuery()
      }
      ,
      // 多选框选中数据
      handleSelectionChange(selection) {
        this.ids = selection.map(item => item.id)
        this.single = selection.length !== 1
        this.multiple = !selection.length
      }
      ,
      /** 新增按钮操作 */
      handleAdd() {
        this.reset()
        this.open = true
        this.title = '添加授权信息'
        this.getMenuTreeselect()
      }
      ,
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset()
        const id = row.id || this.ids
        getAuthorization(id).then(response => {
          this.form = response.data
          this.open = true
          const authorizationMenu = this.getAuthorizationMenuTreeselect(id)
          this.$nextTick(() => {
            authorizationMenu.then(res => {
              this.$refs.menu.setCheckedKeys(res.checkedKeys)
            })
          })
          this.title = '修改授权信息'
        })
      }
      ,
      /** 提交按钮 */
      submitForm() {
        this.$refs['form'].validate(valid => {
          this.form.menuIds = this.getMenuAllCheckedKeys();
          if (valid) {
            if (this.form.id != null) {
              updateAuthorization(this.form).then(response => {
                this.msgSuccess('修改成功')
                this.open = false
                this.getList()
              })
            } else {
              addAuthorization(this.form).then(response => {
                this.msgSuccess('新增成功')
                this.open = false
                this.getList()
              })
            }
          }
        })
      }
      ,
      /** 删除按钮操作 */
      handleDelete(row) {
        const ids = row.id || this.ids
        this.$confirm('是否确认删除授权信息编号为"' + ids + '"的数据项?', '警告', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(function() {
          return delAuthorization(ids)
        }).then(() => {
          this.getList()
          this.msgSuccess('删除成功')
        })
      }
      ,
      /** 导出按钮操作 */
      handleExport() {
        const queryParams = this.queryParams
        this.$confirm('是否确认导出所有授权信息数据项?', '警告', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(function() {
          return exportAuthorization(queryParams)
        }).then(response => {
          this.download(response.msg)
        })
      },
      handleCheckedTreeExpand(value, type) {
        if (type == 'menu') {
          let treeList = this.menuOptions;
          for (let i = 0; i < treeList.length; i++) {
            this.$refs.menu.store.nodesMap[treeList[i].id].expanded = value;
          }
        } else if (type == 'dept') {
          let treeList = this.deptOptions;
          for (let i = 0; i < treeList.length; i++) {
            this.$refs.dept.store.nodesMap[treeList[i].id].expanded = value;
          }
        }
      },
      // 树权限（全选/全不选）
      handleCheckedTreeNodeAll(value, type) {
        if (type == 'menu') {
          this.$refs.menu.setCheckedNodes(value ? this.menuOptions: []);
        } else if (type == 'dept') {
          this.$refs.dept.setCheckedNodes(value ? this.deptOptions: []);
        }
      },
      // 树权限（父子联动）
      handleCheckedTreeConnect(value, type) {
        if (type == 'menu') {
          this.form.menuCheckStrictly = value ? true: false;
        } else if (type == 'dept') {
          this.form.deptCheckStrictly = value ? true: false;
        }
      },
      // 所有菜单节点数据
      getMenuAllCheckedKeys() {
        // 目前被选中的菜单节点
        let checkedKeys = this.$refs.menu.getCheckedKeys();
        // 半选中的菜单节点
        let halfCheckedKeys = this.$refs.menu.getHalfCheckedKeys();
        checkedKeys.unshift.apply(checkedKeys, halfCheckedKeys);
        return checkedKeys;
      },
    }
  }

</script>
